217491390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{9403}}^1$

素因数の和:9673

約数の個数: 48

約数和(自身を含む): 567738288

約数和(自身を除く): 350246898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1285, 1542, 2313, 2570, 3855, 4626, 7710, 9403, 11565, 18806, 23130, 28209, 47015, 56418, 84627, 94030, 141045, 169254, 282090, 423135, 846270, 2416571, 4833142, 7249713, 12082855, 14499426, 21749139, 24165710, 36248565, 43498278, 72497130, 108745695, 217491390]

約数ペア:

[(1, 217491390), (2, 108745695), (3, 72497130), (5, 43498278), (6, 36248565), (9, 24165710), (10, 21749139), (15, 14499426), (18, 12082855), (30, 7249713), (45, 4833142), (90, 2416571), (257, 846270), (514, 423135), (771, 282090), (1285, 169254), (1542, 141045), (2313, 94030), (2570, 84627), (3855, 56418), (4626, 47015), (7710, 28209), (9403, 23130), (11565, 18806)]